/**
 * ClassName: Circle
 * Package: PACKAGE_NAME
 * Description:
 *
 * @Author harkjeans
 * @Create 2025/9/1 19:47
 * @Version 1.0
 */
public class Circle {

    double radius;

    public double findArea(double radius){
        return Math.PI * radius *radius;
    }

}
